ABC7 San Francisco reports that Goeders left Lucile Packard Children's Hospital at Stanford University after finishing his last round of IV chemotherapy Monday.
It's been three long years of treatments. In that time, he worked on his Facebook page to raise awareness and money.
He decided if he was going to fight cancer, he might as well give himself a name, he told ABC7 News. He picked "The Leukemia Slayer."
To date, he has raised more than $11,000 for childhood cancer research.
Get more on this story from our sister station, KGO-TV.